zenon/river-crossing
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Tobias Eidelpes 2022-07-22 19:56:28 +02:00
commit 240f3b3a7f
2 changed files with 57 additions and 0 deletions
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crossing.bk Normal file
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animal(wolf1). animal(wolf2). animal(fox). animal(chicken). animal(worm).

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crossing.plan Normal file
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actions:
crossTogether(X,Y) requires animal(X), animal(Y), X < Y.
cross(X) requires animal(X).
fluents:
here(X) requires animal(X).
boat_here.
initially:
here(X).
boat_here.
always:
nonexecutable crossTogether(X,Y) if -here(X), here(Y).
nonexecutable crossTogether(X,Y) if here(X), -here(Y).
executable crossTogether(X,Y) if -here(X), -here(Y), -boat_here.
executable crossTogether(X,Y) if here(X), here(Y), boat_here.
executable cross(X) if here(X), boat_here.
executable cross(X) if -here(X), -boat_here.
caused -boat_here after crossTogether(_,_), boat_here.
caused boat_here after crossTogether(_,_), -boat_here.
caused -boat_here after cross(_), boat_here.
caused boat_here after cross(_), -boat_here.
caused here(X) after crossTogether(X,Y), -here(X).
caused here(Y) after crossTogether(X,Y), -here(Y).
caused -here(X) after crossTogether(X,Y), here(X).
caused -here(Y) after crossTogether(X,Y), here(Y).
caused here(X) after cross(X), -here(X).
caused -here(X) after cross(X), here(X).
forbidden here(wolf1), here(fox), -boat_here.
forbidden here(wolf2), here(fox), -boat_here.
forbidden here(wolf1), here(chicken), -boat_here.
forbidden here(wolf2), here(chicken), -boat_here.
forbidden here(fox), here(chicken), -boat_here.
forbidden here(chicken), here(worm), -boat_here.
forbidden -here(wolf1), -here(fox), boat_here.
forbidden -here(wolf2), -here(fox), boat_here.
forbidden -here(wolf1), -here(chicken), boat_here.
forbidden -here(wolf2), -here(chicken), boat_here.
forbidden -here(fox), -here(chicken), boat_here.
forbidden -here(chicken), -here(worm), boat_here.
inertial here(X).
inertial -here(X).
noConcurrency.
goal: -here(wolf1), -here(wolf2), -here(fox), -here(chicken), -here(worm)?